Support live session in server

1 files changed, 142 insertions, 0 deletions

diff --git a/server/models/video/video-live-session.ts b/server/models/video/video-live-session.ts
new file mode 100644
index 000000000..2b4cde9f8
--- /dev/null
+++ b/server/models/video/video-live-session.ts
@@ -0,0 +1,142 @@
+import { FindOptions } from 'sequelize'
+import { AllowNull, BelongsTo, Column, CreatedAt, DataType, ForeignKey, Model, Scopes, Table, UpdatedAt } from 'sequelize-typescript'
+import { MVideoLiveSession, MVideoLiveSessionReplay } from '@server/types/models'
+import { uuidToShort } from '@shared/extra-utils'
+import { LiveVideoError, LiveVideoSession } from '@shared/models'
+import { AttributesOnly } from '@shared/typescript-utils'
+import { VideoModel } from './video'
+
+export enum ScopeNames {
+  WITH_REPLAY = 'WITH_REPLAY'
+}
+
+@Scopes(() => ({
+  [ScopeNames.WITH_REPLAY]: {
+    include: [
+      {
+        model: VideoModel.unscoped(),
+        as: 'ReplayVideo',
+        required: false
+      }
+    ]
+  }
+}))
+@Table({
+  tableName: 'videoLiveSession',
+  indexes: [
+    {
+      fields: [ 'replayVideoId' ],
+      unique: true
+    },
+    {
+      fields: [ 'liveVideoId' ]
+    }
+  ]
+})
+export class VideoLiveSessionModel extends Model<Partial<AttributesOnly<VideoLiveSessionModel>>> {
+
+  @CreatedAt
+  createdAt: Date
+
+  @UpdatedAt
+  updatedAt: Date
+
+  @AllowNull(false)
+  @Column(DataType.DATE)
+  startDate: Date
+
+  @AllowNull(true)
+  @Column(DataType.DATE)
+  endDate: Date
+
+  @AllowNull(true)
+  @Column
+  error: LiveVideoError
+
+  @ForeignKey(() => VideoModel)
+  @Column
+  replayVideoId: number
+
+  @BelongsTo(() => VideoModel, {
+    foreignKey: {
+      allowNull: true,
+      name: 'replayVideoId'
+    },
+    as: 'ReplayVideo',
+    onDelete: 'set null'
+  })
+  ReplayVideo: VideoModel
+
+  @ForeignKey(() => VideoModel)
+  @Column
+  liveVideoId: number
+
+  @BelongsTo(() => VideoModel, {
+    foreignKey: {
+      allowNull: true,
+      name: 'liveVideoId'
+    },
+    as: 'LiveVideo',
+    onDelete: 'set null'
+  })
+  LiveVideo: VideoModel
+
+  static load (id: number): Promise<MVideoLiveSession> {
+    return VideoLiveSessionModel.findOne({
+      where: { id }
+    })
+  }
+
+  static findSessionOfReplay (replayVideoId: number) {
+    const query = {
+      where: {
+        replayVideoId
+      }
+    }
+
+    return VideoLiveSessionModel.scope(ScopeNames.WITH_REPLAY).findOne(query)
+  }
+
+  static findCurrentSessionOf (videoId: number) {
+    return VideoLiveSessionModel.findOne({
+      where: {
+        liveVideoId: videoId,
+        endDate: null
+      },
+      order: [ [ 'startDate', 'DESC' ] ]
+    })
+  }
+
+  static listSessionsOfLiveForAPI (options: { videoId: number }) {
+    const { videoId } = options
+
+    const query: FindOptions<VideoLiveSessionModel> = {
+      where: {
+        liveVideoId: videoId
+      },
+      order: [ [ 'startDate', 'ASC' ] ]
+    }
+
+    return VideoLiveSessionModel.scope(ScopeNames.WITH_REPLAY).findAll(query)
+  }
+
+  toFormattedJSON (this: MVideoLiveSessionReplay): LiveVideoSession {
+    const replayVideo = this.ReplayVideo
+      ? {
+        id: this.ReplayVideo.id,
+        uuid: this.ReplayVideo.uuid,
+        shortUUID: uuidToShort(this.ReplayVideo.uuid)
+      }
+      : undefined
+
+    return {
+      id: this.id,
+      startDate: this.startDate.toISOString(),
+      endDate: this.endDate
+        ? this.endDate.toISOString()
+        : null,
+      replayVideo,
+      error: this.error
+    }
+  }
+}